How Plants Tell Time
Plants don’t have brains or muscles, and yet some of them can perform such feats as eating insects or following the sun. Scientists haven’t completely figured out how this happens, but they do have some pretty strong leads.
Hosted by: Hank Green
SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at http://www.scishowtangents.org
———-
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
———-
Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:
Adam Brainard, Greg, Alex Hackman, Sam Lutfi, D.A. Noe, الخليفي سلطان, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters
———-
Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Tumblr: http://scishow.tumblr.com
Instagram: http://instagram.com/thescishow
———-
Sources:
http://plantsinmotion.bio.indiana.edu/plantmotion/movements/leafmovements/oxalis/oxalis.html
What Do Plants Do at Night? Understanding Nyctinastic Movement
https://www.livescience.com/34569-why-flowers-close-at-night-nyctinasty.html
https://www.thedailygarden.us/garden-word-of-the-day/nyctinasty
https://www.mobot.org/jwcross/duckweed/phytochrome.htm
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC366182/pdf/plntphys00247-0103.pdf
https://onlinelibrary.wiley.com/doi/abs/10.1002/%28SICI%291521-3773%2820000417%2939%3A8%3C1400%3A%3AAID-ANIE1400%3E3.0.CO%3B2-Z
https://www.thoughtco.com/definition-of-reversible-reaction-and-examples-605617
https://www.nature.com/articles/206215b0.pdf
https://www.jstor.org/stable/3546032?seq=1#metadata_info_tab_contents
https://www.sciencedirect.com/science/article/pii/S0168945214000818?via%3Dihub
https://www.researchgate.net/publication/305890471_How_do_sunflowers_follow_the_Sun_-_And_to_what_end
https://www.sciencedirect.com/science/article/pii/S0014579307003729#bib47
https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1365-3040.1993.tb00522.x
https://academic.oup.com/pcp/article/38/5/526/1935394
https://depts.washington.edu/cims/research/Bio-Intelligent-Materials.pdf
http://www.plantphysiol.org/content/plantphysiol/67/5/965.full.pdf
https://www.sciencedirect.com/science/article/pii/S0014579307003729#bib42
https://science.sciencemag.org/content/354/6314/897
https://academic.oup.com/jxb/article/65/20/5749/2485228
———-
Images & Video:
https://commons.wikimedia.org/wiki/File:Desmanthus_pern_83565_b.jpg
https://commons.wikimedia.org/wiki/File:Desmanthus_pernambucanus_nyctinastic_(nighttime)_leaf_movement_0175.JPG
https://commons.wikimedia.org/wiki/File:Bauhi_purpu_151006-0058_tdp.JPG